228 lines
4.3 KiB
Go
228 lines
4.3 KiB
Go
package repository
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import (
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"errors"
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"fmt"
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"joylink.club/rtsssimulation/repository/model/proto"
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)
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type Link struct {
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Identity
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length int64
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aRelation *TurnoutPort
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bRelation *TurnoutPort
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aKm *proto.Kilometer
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bKm *proto.Kilometer
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//Link上的模型（（非区段边界）检测点、应答器、信号机、区段（为了位置换算方便））
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devices []Identity
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////Link关联的模型，包含LinkNode
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//devicePositions []*DeviceLinkPosition
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}
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var _ Identity = &Link{}
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func NewLink(id string) *Link {
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return &Link{
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Identity: identity{id, proto.DeviceType_DeviceType_Link},
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}
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}
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func (l *Link) Length() int64 {
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return l.length
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}
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func (l *Link) ARelation() *TurnoutPort {
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return l.aRelation
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}
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func (l *Link) BRelation() *TurnoutPort {
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return l.bRelation
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}
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func (l *Link) Devices() []Identity {
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return l.devices
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}
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func (l *Link) PortNum() int {
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return 2
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}
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func (l *Link) bindDevicePort(port proto.Port, devicePort DevicePort) error {
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turnoutPort, isTurnoutPort := devicePort.(*TurnoutPort)
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if !isTurnoutPort {
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return errors.New(fmt.Sprintf("Link不能与[%s]类型的设备关联", devicePort.Device().Type()))
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}
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switch port {
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case proto.Port_A:
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l.aRelation = turnoutPort
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case proto.Port_B:
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l.bRelation = turnoutPort
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default:
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return errors.New(fmt.Sprintf("Link没有端口[%s]", port))
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}
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l.bindKm(turnoutPort.turnout.km, port)
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return nil
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}
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func (l *Link) bindKm(km *proto.Kilometer, port proto.Port) {
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switch port {
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case proto.Port_A:
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l.aKm = km
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case proto.Port_B:
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l.bKm = km
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}
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}
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func (l *Link) bindDevices(devices ...Identity) {
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for _, device := range devices {
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l.devices = append(l.devices, device)
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}
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}
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func (l *Link) findEndKm() *proto.Kilometer {
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if l.aRelation == nil {
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return l.aKm
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} else if l.bRelation == nil {
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return l.bKm
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}
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return nil
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}
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// 查找Link轨道尽头端的偏移量
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// 如果该link未连接轨道尽头，返回false
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func (l *Link) findEndOffset() (int64, bool) {
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if l.aRelation == nil {
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return 0, true
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}
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if l.bRelation == nil {
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return l.length, true
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}
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return 0, false
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}
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// LinkPosition link位置
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type LinkPosition struct {
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link *Link
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offset int64
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}
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func (l *LinkPosition) Link() *Link {
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return l.link
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}
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func (l *LinkPosition) Offset() int64 {
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return l.offset
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}
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// link端口
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type LinkPort struct {
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link *Link
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port proto.Port
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}
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func NewLinkPort(link *Link, port proto.Port) LinkPort {
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return LinkPort{
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link: link,
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port: port,
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}
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}
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func (l *LinkPort) Port() proto.Port {
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return l.port
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}
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func (l *LinkPort) Device() PortedDevice {
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return l.link
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}
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//// DeviceLinkPosition device在link上的位置
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//type DeviceLinkPosition struct {
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// device Identity
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// position LinkPosition
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//}
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//
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//// SlopeLinkSegment Slope在Link上的区间
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//type SlopeLinkSegment struct {
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// slope *Slope
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// start *LinkPosition
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// end *LinkPosition
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//}
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//
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//func (s *SlopeLinkSegment) Slope() *Slope {
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// return s.slope
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//}
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//
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//func (s *SlopeLinkSegment) Start() *LinkPosition {
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// return s.start
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//}
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//
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//func (s *SlopeLinkSegment) End() *LinkPosition {
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// return s.end
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//}
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//
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//type SectionalCurvatureLinkSegment struct {
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// sectionalCurvature *SectionalCurvature
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// start *LinkPosition
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// end *LinkPosition
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//}
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//
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//// LinkNode link节点
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//type LinkNode struct {
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// Identity
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// turnout *Turnout
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// aRelation LinkPort
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// bRelation LinkPort
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// cRelation LinkPort
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//}
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//
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//func (ln LinkNode) Id() string {
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// return ln.turnout.Id()
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//}
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//
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//func (ln LinkNode) PortNum() int {
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// return 3
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//}
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//
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//func (ln LinkNode) bindDevicePort(port proto.Port, devicePort DevicePort) error {
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// linkPort, isLinkPort := devicePort.(*LinkPort)
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// if !isLinkPort {
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// return errors.New(fmt.Sprintf("Link节点不能与[%s]类型的设备关联", devicePort.Device().Type()))
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// }
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// switch port {
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// case proto.Port_A:
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// ln.aRelation = *linkPort
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// case proto.Port_B:
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// ln.bRelation = *linkPort
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// case proto.Port_C:
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// ln.cRelation = *linkPort
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// default:
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// return errors.New(fmt.Sprintf("Link节点没有端口[%s]", port))
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// }
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// return nil
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//}
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//
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//type LinkNodePort struct {
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// node *LinkNode
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// port proto.Port
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//}
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//
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//func NewLinkNodePort(node *LinkNode, port proto.Port) *LinkNodePort {
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// return &LinkNodePort{
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// node: node,
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// port: port,
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// }
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//}
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//
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//func (lp *LinkNodePort) Port() proto.Port {
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// return lp.port
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//}
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//
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//func (lp *LinkNodePort) Device() PortedDevice {
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// return lp.node
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//}
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